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    <title>Surya Dantuluri blog</title>
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    <lastBuildDate>Thu, 30 Apr 2026 08:49:05 GMT</lastBuildDate>
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      <title><![CDATA[DiffCUA]]></title>
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      <pubDate>Mon, 27 Oct 2025 00:00:00 GMT</pubDate>
      <description><![CDATA[Differential vision encoding for computer-use agents. Encode only the visual diff between consecutive frames.]]></description>
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      <title><![CDATA[GeoSpot Infinity: World-Scale Geolocation]]></title>
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      <pubDate>Mon, 13 Oct 2025 00:00:00 GMT</pubDate>
      <description><![CDATA[Building a photo-to-GPS model with online RL — and why 65% of users broke the reward signal.]]></description>
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      <title><![CDATA[VLM Gym]]></title>
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      <pubDate>Thu, 09 Oct 2025 00:00:00 GMT</pubDate>
      <description><![CDATA[A simple reinforcement learning gym for vision-language models, written in JAX. Drop in any environment, any model, and train with PPO.]]></description>
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      <title><![CDATA[Teaching GPT-5 to Use a Computer]]></title>
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      <pubDate>Tue, 12 Aug 2025 00:00:00 GMT</pubDate>
      <description><![CDATA[Building Archon — a copilot for your computer with GPT-5 reasoning and a tiny vision policy.]]></description>
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